#include<stdio.h>

void Test(int* x, int* y)
{
	int temp = *x;
	*x = *y;
	*y = temp;
}

int main()
{
	int *a = 3;
	int *b = 5;
	Test(&a,&b);
	printf("%d %d\n", a, b);
	return 0;
}